Method for preparing alkaline manganese oxide nano tube by room temperature corrosion
A technology of manganese oxide and nanotubes, which is applied in the field of materials science and engineering, can solve the problems of fewer types of micro-nanotube materials, and achieve the effect of speeding up the preparation process, less equipment, and easy industrialized large-scale production
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example 1
[0032] The method for preparing Cu micro-nano plate structure comprises the following steps:
[0033] (1) Preparation of Cu-Mn-O alloy ingots: After mixing pure Cu and pure Mn at an atomic ratio of 20:30, mix 8% air in an argon atmosphere, repeat three times for arc melting, and mix Uniform cooling to obtain Cu-Mn-O alloy ingot;
[0034] (2) Corrosion: place the obtained Cu-Mn-O alloy ingot in a 0.05mol / L hydrochloric acid solution, and place it at room temperature for 70 to 80 hours to corrode until no bubbles overflow from the surface of the alloy ingot;
[0035] (3) Cleaning and drying: take out the corroded Cu-Mn-O alloy ingot, first soak and clean the corroded Cu-Mn-O alloy ingot with deionized water once, and then soak and clean it twice with alcohol , and then placed in alcohol and subjected to ultrasonic dispersion treatment, and finally, natural drying at room temperature for 15 to 24 hours to obtain the MnO(OH) micro-nano tube structure. The cleaning and drying pro...
example 2
[0039] This example prepares the method for Cu micro-nano flake structure and comprises the following steps:
[0040] (1) Preparation of Cu-Mn-O alloy ingots: After mixing pure Cu and pure Mn at an atomic ratio of 18:28, 5% air was mixed in an argon atmosphere, and induction melting was repeated five times. Mix uniformly and cool to obtain a Cu-Mn-O alloy ingot;
[0041] (2) Corrosion: place the obtained Cu-Mn-O alloy ingot in a 0.03mol / L hydrochloric acid solution, and place it at room temperature for 68 to 78 hours to corrode until no bubbles overflow from the surface of the alloy ingot;
[0042] (3) Cleaning and drying: take out the corroded Cu-Mn-O alloy ingot, soak and clean the corroded Cu-Mn-O alloy ingot obtained with deionized water for 3 times, and then soak and clean with alcohol for 4 times , and then placed in alcohol and subjected to ultrasonic dispersion treatment, and finally dried naturally at room temperature for 15-24 hours to obtain the MnO(OH) micro-nano ...
example 3
[0044] This example prepares the method for Cu micro-nano flake structure and comprises the following steps:
[0045] (1) Preparation of Cu-Mn-O alloy ingots: After mixing pure Cu and pure Mn in an atomic ratio of 20:28, 10% air was mixed in an argon atmosphere, and arc melting was repeated five times. After mixing uniformly, cool to obtain Cu-Mn-O alloy ingot;
[0046](2) Corrosion: place the obtained Cu-Mn-O alloy ingot in a 0.07mol / L hydrochloric acid solution, and place it at room temperature for 70 to 75 hours to corrode until no bubbles overflow from the surface of the alloy ingot;
[0047] (3) Cleaning and drying: take out the corroded Cu-Mn-O alloy ingot, soak and clean the corroded Cu-Mn-O alloy ingot obtained with deionized water for 2 times, and then soak and clean with alcohol for 3 times , then placed in alcohol and subjected to ultrasonic dispersion treatment, and finally dried naturally at room temperature for 15 to 24 hours to obtain a stable MnO(OH) micro-nan...
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